The team provided several international players during the late 19th century, most notably Gwyn Nicholls, who after leaving the club not only represented Wales but also played for the British Isles on their 1899 tour of Australia.
Although in the shadow of first class team Cardiff RFC, the Harlequins began to attract matches from some of the lesser but well established clubs in the Glamorgan area.
Percy Bennett, a forward with the club, was chosen for the 1891 Home Nations Championship to face England at Newport.
[7] In 1892, Gwyn Nicholls, who would become one of the most notable Welsh players in the country's history, switched from the little-known Cardiff Star to join the Harlequins on the advice of his brother Sid.
After spending a season here, the club reached out for a new ground, and a replacement pitch was made available for the team by Lord Tredegar at Newport Road.